SSD120 Nano Altitude Encoder | 42,000 ft 89000016-017 while the top mounting plate

while the top mounting plate is modular and sold separately

This is the FAA’s primary resource for helicopter operations knowledge

water-repellent 600D polyester

The CI 122 antenna (EDMO# CI-122) is a four-through-hole-mount style VHF communication bent whip antenna with a BNC port

Supplied in a clear reusable plastic pouch

SSD120 Nano Altitude Encoder | 42,000 ft 89000016-017 while the top mounting plateThe SSD120 (XX)N Series High Altitude Nano Encoders are all solid state devices that measure air pressure and convert the measurements into the ICAO parallel data for pressure altitude transmission via ICAO pressure altitude Gray Code output.